Plow.



No. 850,011. a .PATENTED APR. 9, 1907. 'J.B.JOBSON.

PLOW. APPLICATION FILED {JCT-24, 1906.

f John/B Jolson/ Ens cm, \vAsnmnron. n. c.

UNITED STATES P ENT ()FFIGE.

PLOW.

Specification of Letters Patent.

Patented April 9, 1907.

Application filed October 24,1906. Serial'llo. 340,376. Q

To all whom it may concern:

Be it known that 1, JOHN B. JoBsoN, a citizen of the United States,residing at Atlanta, in the county of Fulton and State of Georgia, haveinvented new and useful Improvements in Plows, of which the following isa specification.

This invention relates to plow-blades, and has for its objects toproduce a comparatively simple inexpensive device of this characterwhich in action will turn the earth or subsoil at a point below thegroundsurface, one which will also turn the earth or surface soil at theground-surface and deposit the surface soil thus turned onto thepreviously-turned subsoil, thereby effecting a thorough breaking andturning of the earth with a consequent increase in efficiency of theplow, one wherein the blade will pass smoothly and readily through theground, and one whereby the roots or vines encountered by the blade willbe cut to facilitate free passage of the blade, the vine-cutting knifeserving the further function of a brace for strengthening the blade.

With these and other objects in view the invention comprises the novelfeatures of construction and combination of parts more fully hereinafterdescribed.

In the accompanying drawings, Figure 1 is a perspective view of aplow-blade embodying the invention. Fig. 2 is a rear view of the same.Fig. 3 is a crosssection taken on the line 3 3 of Fig. 2.

Referring to the drawings, it will be seen that the blade 2, forming thesubject-matter of the invention and which may be attached to a stock(not shown) of usual form and material, is provided at a point near itsupper end with a substantially L-shaped opening 3 to receive aconnecting-bolt, while projecting outwardly from the rear face of theblade is a plurality of bearing-lugs 5, composed of material struck fromthe opening 3 and adapted to seat in the foot of the stock for holdingthe blade firmly in position thereon.

The blade 2, which has a lower cutting edge 6, is provided at the leftor land side with a longitudinally extending cuttingknife 7, turned atright angles to the blade 2 and having its outer active edge sharpened,as at 8, this knife, which is designed for cutting weeds or roots 7during the passage of the blade through the ground, being eX- tendedthroughout substantially the entire length of the blade and serving tobrace and strengthen the latter.

The plow-blade is cut away or recessed at its right or furrow side andat a point between its ends, as at 9, to form an upper wing or moldboard10 and a lower wing or moldboardfor cutting its passage through thesoil, while the blade 2 is provided with a downwardly and inwardlycurved upper edge 13,whereby weeds or other matter of a similar naturelying within the path of the upper moldboard 10 will either be caughtand carried under with the soil turned thereby or be pushed to the left,leaving the point free.

In practice as the blade advances through the ground the earth orsubsoil below the ground-surface will be turned by the subsoiling wingor moldboard 11, while the earth near the ground-surface will be turnedby the upper wing or moldboard 10 onto the soil previously turned by thewing 11. Also in the operation of the plow the knife 7, whichconstitutes a brace for strengthening the blade 2 to prevent bending orbuckling of the latter at its center, acts to cut the weeds or rootswhich may be encountered by the blade, and thus facilitate the passageof the latter through the ground.

It is to be particularly observed that under the improved device andowing to' the provision of the upper and lower blades a double turningof the soil is effected, thus more thoroughly breaking the ground torender the plow operation more effective, and, further, that by formingthe recess 9 in the blade not only is the lower moldboard produced, butthe blade adapted for easier travel through the ground.

It will be understood, of course, that the features of improvement may,in so far as their operation is not affected one by the other, beembodied either singly or collectively in any form of plow to which theymay be applicable.

IIO

Having thus described my invention, What I claim is 1. A plow-bladeprovided with a pair of soil-turning wings or moldboards d1s osed oneabove the other and both curvedi ally and forwardly, one of said wingsbeing designed to turn the subsoil beneath the ground-surface and theother to turn the surface soil over onto the subsoil.

2. A plow-blade having one of its edges recessed to form a pair ofsoil-turning wings or atermoldboards disposed one above the other andboth curved laterally and forwardly, one of said wings being designed toturn the subsoil beneath the ground-surface and the other to 1 5 turnthe surface soil over onto the subsoil.

In testimony whereof I affix my signature in presence of two witnesses.

JOHN B. JOBSON. Witnesses:

M. E. GARRISON, B. E. DEWBERRY.

